Oppo R9 inserted a SIM card to identify why?

Source: Internet
Author: User

Why R9 can't recognize the SIM card?

1, R9 mobile phone only support the mini SIM card or nano SIM card, the other cards are not supported so you can check.

2, confirm the insertion of the SIM card network format is appropriate.

3, into the hardware testing, check the SIM card is not a problem, we can change a card to try it

4, if it is still not good words can go to the business hall for new cards, if the new card can not identify can only find after-sales service.

All right, that's it. An article about Oppo R9 inserted the SIM card can not identify the problem of the solution, I hope the article can help you.

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